#include <signal.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
bool  INT;
short KBDR;
void  CTRL_C(int i) {
	 INT  = 1;
	 KBDR = getchar();
	 return;
}

int main() {
	signal(SIGINT, CTRL_C);

	int input_val;

	pid_t pid = fork();

	if (pid == 0) {
		while (1) {
			sleep(1);
			printf("PB21111111\n");
		}

	} else {
		while (1) {
			if (INT == 1) {
				/* TODO */
				INT = 0;
				return 0;
			}
		}
	}
}
